233 lines
8.5 KiB
C
233 lines
8.5 KiB
C
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/*****************************************************************************
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Copyright (c) 1997-98 Intel Corp.
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All Rights Reserved.
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The source code contained or described herein and all documents
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related to the source code ("Material") are owned by Intel Corporation
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or its suppliers and licensors. Title to the Material remains with
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Intel Corporation or its suppliers and licensors. The Material
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contains trade secrets and proprietary and confidential information of
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Intel or its suppliers and licensors. The Material is protected by
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worldwide copyright and trade secret laws and treaty provisions. No
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part of the Material may be used, copied, reproduced, modified,
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published, uploaded, posted, transmitted, distributed, or disclosed in
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any way without Intel's prior express written permission.
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Unless otherwise expressly permitted by Intel in a separate license
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agreement, use of the Material is subject to the copyright notices,
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trademarks, warranty, use, and disclosure restrictions reflected on
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the outside of the media, in the documents themselves, and in the
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"About" or "Read Me" or similar file contained within this source
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code, and identified as (name of the file) . Unless otherwise
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expressly agreed by Intel in writing, you may not remove or alter such
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notices in any way.
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File: vxchange.c
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Description: VxChane Console Mode File Copy utility
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Revision: $Revision:$ // Do not delete or replace
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Notes:
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Major History:
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When Who What
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---------- ---------- ----------
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03/06/98 Jey Created
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*****************************************************************************/
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#include <windows.h>
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#include <winioctl.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <vxchange.h>
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void print_usage(char *module)
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{
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printf("\n%s usage: filename1 filename2 \n\n",module);
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printf("Note: where filename1 is the source VPC file name\n");
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printf(" where filename2 is the destination HOST file name\n\n");
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}
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int
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__cdecl
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main(
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IN int argc,
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IN char *argv[]
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)
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{
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HANDLE hDevice;
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VxChange_Attrs_t DriverAttrs;
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DWORD BytesDone;
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unsigned char *VpcFile;
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unsigned char *HostFile;
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HANDLE hVpc;
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unsigned char *Data;
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BOOLEAN rc;
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if (argc < 3)
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{
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print_usage(argv[0]);
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return 1;
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}
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// open the kernel mode driver
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if ((hDevice = CreateFile("\\\\.\\VxChange",
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GENERIC_READ | GENERIC_WRITE,
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FILE_SHARE_READ | FILE_SHARE_WRITE,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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)) == ((HANDLE)-1))
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{
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printf("%s error: Can't get a handle to VxChange device\n", argv[0]);
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return 2;
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}
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// get the Driver Attributes
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if(!DeviceIoControl(
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hDevice, // HANDLE hDevice, // handle to device of interest
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IOCTL_VXCHANGE_GET_DRIVER_ATTRIBUTES, // DWORD dwIoControlCode, // control code of operation to perform
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NULL, // LPVOID lpInBuffer, // pointer to buffer to supply input data
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0, // DWORD nInBufferSize, // size of input buffer
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&DriverAttrs, // LPVOID lpOutBuffer, // pointer to buffer to receive output data
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sizeof(VxChange_Attrs_t), // DWORD nOutBufferSize, // size of output buffer
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&BytesDone, // LPDWORD lpBytesReturned, // pointer to variable to receive output byte count
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NULL // LPOVERLAPPED lpOverlapped // pointer to overlapped structure for asynchronous operation
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))
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{
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printf("%s error: Query Driver Attributes failed\n", argv[0]);
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CloseHandle(hDevice);
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return 3;
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}
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VpcFile = argv[1];
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HostFile = argv[2];
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// open/create the Vpc file
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if ((hVpc = CreateFile(VpcFile,
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GENERIC_READ,
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FILE_SHARE_READ,
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NULL,
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OPEN_EXISTING,
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FILE_ATTRIBUTE_NORMAL,
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NULL
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)) == ((HANDLE)-1))
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{
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printf("%s error: Can't open the Vpc file %s\n", argv[0], VpcFile);
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return 4;
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}
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// open/create the Host file
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if(!DeviceIoControl(
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hDevice, // HANDLE hDevice, // handle to device of interest
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IOCTL_VXCHANGE_CREATE_FILE, // DWORD dwIoControlCode, // control code of operation to perform
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HostFile, // LPVOID lpInBuffer, // pointer to buffer to supply input data
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MAX_PATH, // DWORD nInBufferSize, // size of input buffer
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NULL, // LPVOID lpOutBuffer, // pointer to buffer to receive output data
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0, // DWORD nOutBufferSize, // size of output buffer
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&BytesDone, // LPDWORD lpBytesReturned, // pointer to variable to receive output byte count
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NULL // LPOVERLAPPED lpOverlapped // pointer to overlapped structure for asynchronous operation
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))
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{
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printf("%s error: Can't open the Host file %s\n", argv[0], HostFile);
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CloseHandle(hDevice);
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CloseHandle(hVpc);
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return 5;
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}
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#define DATA_BUFFER_SIZE 4096
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// allocate 4096 bytes of memory and commit the pages
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Data = (unsigned char *)VirtualAlloc(NULL, DATA_BUFFER_SIZE, MEM_COMMIT, PAGE_READWRITE);
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if (Data == NULL)
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{
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printf("%s error: Can't allocate memory for data buffers\n", argv[0]);
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CloseHandle(hDevice);
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CloseHandle(hVpc);
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return 6;
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}
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rc = TRUE;
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// read from the source file and write to destination
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while (rc)
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{
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// read data from the Vpc file
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if (!ReadFile(
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hVpc,
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Data,
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DATA_BUFFER_SIZE,
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&BytesDone,
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NULL))
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{
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printf("%s error: Can't read from the Vpc file %s\n", argv[0], VpcFile);
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CloseHandle(hDevice);
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CloseHandle(hVpc);
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return 7;
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}
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if (BytesDone < DATA_BUFFER_SIZE)
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rc = FALSE;
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// write data to the Host file
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if(!DeviceIoControl(
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hDevice, // HANDLE hDevice, // handle to device of interest
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IOCTL_VXCHANGE_WRITE_FILE, // DWORD dwIoControlCode, // control code of operation to perform
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Data, // LPVOID lpInBuffer, // pointer to buffer to supply input data
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BytesDone, // DWORD nInBufferSize, // size of input buffer
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NULL, // LPVOID lpOutBuffer, // pointer to buffer to receive output data
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0, // DWORD nOutBufferSize, // size of output buffer
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&BytesDone, // LPDWORD lpBytesReturned, // pointer to variable to receive output byte count
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NULL // LPOVERLAPPED lpOverlapped // pointer to overlapped structure for asynchronous operation
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))
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{
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printf("%s error: Can't write to the Host file %s\n", argv[0], HostFile);
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CloseHandle(hDevice);
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CloseHandle(hVpc);
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return 8;
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}
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}
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// close the Vpc file
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CloseHandle(hVpc);
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// close the Host file
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if(!DeviceIoControl(
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hDevice, // HANDLE hDevice, // handle to device of interest
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IOCTL_VXCHANGE_CLOSE_FILE, // DWORD dwIoControlCode, // control code of operation to perform
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NULL, // LPVOID lpInBuffer, // pointer to buffer to supply input data
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0, // DWORD nInBufferSize, // size of input buffer
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NULL, // LPVOID lpOutBuffer, // pointer to buffer to receive output data
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0, // DWORD nOutBufferSize, // size of output buffer
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&BytesDone, // LPDWORD lpBytesReturned, // pointer to variable to receive output byte count
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NULL // LPOVERLAPPED lpOverlapped // pointer to overlapped structure for asynchronous operation
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))
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{
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printf("%s error: Can't open the Host file %s\n", argv[0], HostFile);
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CloseHandle(hDevice);
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CloseHandle(hVpc);
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return 9;
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}
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CloseHandle(hDevice);
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return 0;
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}
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